[PSUBS-MAILIST] Minn Kota lower unit material

Mon Apr 30 20:00:56 EDT 2018

 Phillippe, not sure what your asking?  if your asking if you can weld a fitting onto the shaft stub, I would say yes, providing you don't get the part to hot.  I am not sure why you would weld it though.  You can simply pot wires right in the stub hole, and I have two thrusters like that.  You can thread a fitting into the stub that is a penetrator.  Both options work well, but welding it will also work.   Maybe you can explain what your planning to do and why you want to weld a part on.Hank
    On Monday, April 30, 2018, 5:24:26 PM MDT, Philippe Robert via Personal_Submersibles <personal_submersibles at psubs.org> wrote:  

 ok it is strong enough ? 
2018-04-30 14:04 GMT-04:00 via Personal_Submersibles <personal_submersibles at psubs.org>:

i sketched out an adapter for mine. Will screw them in with epoxy and call it a day.Vance

-----Original Message-----
From: Rick Patton via Personal_Submersibles <personal_submersibles at psubs. org>
To: Personal Submersibles General Discussion <personal_submersibles at psubs. org>
Sent: Mon, Apr 30, 2018 11:36 am
Subject: Re: [PSUBS-MAILIST] Minn Kota lower unit material

I’d be concerned about warpage. You may need to re machine the ends?Rick 
On Sun, Apr 29, 2018 at 12:40 PM hank pronk via Personal_Submersibles <personal_submersibles at psubs. org> wrote:

 Be careful about welding to the magnet barrel.  Heat will ruin the magnets, you could submerge the barrel in water while you weld the penetrator.Hank
   On Sunday, April 29, 2018, 1:30:43 PM MDT, Philippe Robert via Personal_Submersibles <personal_submersibles at psubs. org> wrote:  

 Ok. thanks. I think to weld my penetrator to it. (at the place of the original shaft)
Philippe2018-04-29 15:15 GMT-04:00 Cliff Redus via Personal_Submersibles <personal_submersibles at psubs. org>:

I have a number of Minn Kota 101 lower units, MK part number 2886289.  While I don't have anthing from MK on materials, I tend to agree with Hank.
1) Main body that has the permanent magnets attached is some kind of steel.2) Brushed end assembly that holds the shaft bushing and lip seals is cast aluminum (probably 6061-T6)3) Bow end of lower unit that holds a bearing is also cast aluminum (probably 6061-T6)
Cliff

On Sat, Apr 28, 2018 at 7:11 PM, Philippe Robert via Personal_Submersibles <personal_submersibles at psubs. org> wrote:

Hi,
I have a question about Minn Kota engine Housing. What kind of steel is made ? 
Thank you,

Philippe
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